Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Quem jogou em casa contra o Richmond?
 ###Tabelas: CREATE TABLE 2012_calendar_year_ratios_of_crime_per_100000_population (2012_calendar_year_ratios_of_crime_per_100000_population_id AUTO_INCREMENT PRIMARY KEY, State VARCHAR, City VARCHAR, Population INT, Violent Crime VARCHAR, Murder and Non-Negligent Manslaughter VARCHAR, Forcible Rape VARCHAR, Robbery VARCHAR, Aggravated Assault VARCHAR, Property Crime VARCHAR, Burglary VARCHAR, Larceny-Theft VARCHAR, Motor Vehicle Theft VARCHAR) CREATE TABLE accidents_and_incidents (accidents_and_incidents_id AUTO_INCREMENT PRIMARY KEY, Location VARCHAR, Aircraft VARCHAR, Tail number VARCHAR, Aircraft damage VARCHAR, Fatalities VARCHAR) CREATE TABLE by_class (by_class_id AUTO_INCREMENT PRIMARY KEY, Class VARCHAR, Seas VARCHAR, 1st GP VARCHAR, 1st Pod VARCHAR, 1st Win VARCHAR, Race INT, Podiums INT, Pole INT, FLap INT, WChmp INT) CREATE TABLE list_of_foreign_ministers (list_of_foreign_ministers_id AUTO_INCREMENT PRIMARY KEY, Name VARCHAR, Party VARCHAR, Tenure VARCHAR, Head(s) of Government VARCHAR, Ministerial title VARCHAR) CREATE TABLE round_22 (round_22_id AUTO_INCREMENT PRIMARY KEY, Home team VARCHAR, Home team score VARCHAR, Away team VARCHAR, Away team score VARCHAR, Ground VARCHAR, Crowd INT, Date VARCHAR, Report VARCHAR)  
SELECT Home team FROM round_22 WHERE Away team = Richmond